﻿// Copyright 2015 David Galles, University of San Francisco. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of the University of San Francisco

Search.CODE_START_X = 10;
Search.CODE_START_Y = 10;
Search.CODE_LINE_HEIGHT = 14;


Search.CODE_HIGHLIGHT_COLOR = "#FF0000";
Search.CODE_STANDARD_COLOR = "#000000";

var SMALL_SIZE = 0;
var LARGE_SIZE = 1;

var EXTRA_FIELD_WIDTH = 50;
var EXTRA_FIELD_HEIGHT = 50;

var SEARCH_FOR_X = 450;
var SEARCH_FOR_Y = 30;


var RESULT_X = 550;
var RESULT_Y = 30;


var INDEX_X = 450;
var INDEX_Y = 130;


var HIGHLIGHT_CIRCLE_SIZE_SMALL = 20;
var HIGHLIGHT_CIRCLE_SIZE_LARGE = 10;
var HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_SMALL;


var LOW_CIRCLE_COLOR = "#1010FF";
var LOW_BACKGROUND_COLOR = "#F0F0FF";
var MID_CIRCLE_COLOR = "#118C4E";
var MID_BACKGROUND_COLOR = "#F0FFF0";
var HIGH_CIRCLE_COLOR = "#FF9009";
var HIGH_BACKGROUND_COLOR = "#FFFFF0";

var LOW_POS_X = 350;
var LOW_POS_Y = 130;


var MID_POS_X = 450;
var MID_POS_Y = 130;

var HIGH_POS_X = 550;
var HIGH_POS_Y = 130;


var ARRAY_START_X_SMALL = 100;
var ARRAY_START_X_LARGE = 100;
var ARRAY_START_X = ARRAY_START_X_SMALL;
var ARRAY_START_Y_SMALL = 240;
var ARRAY_START_Y_LARGE = 200;
var ARRAY_START_Y = ARRAY_START_Y_SMALL;
var ARRAY_ELEM_WIDTH_SMALL = 50;
var ARRAY_ELEM_WIDTH_LARGE = 25;
var ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_SMALL;

var ARRAY_ELEM_HEIGHT_SMALL = 50;
var ARRAY_ELEM_HEIGHT_LARGE = 20;
var ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_SMALL;

var ARRAY_ELEMS_PER_LINE_SMALL = 16;
var ARRAY_ELEMS_PER_LINE_LARGE = 30;
var ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_SMALL;


var ARRAY_LINE_SPACING_LARGE = 40;
var ARRAY_LINE_SPACING_SMALL = 130;
var ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_SMALL;

var SIZE_SMALL = 32;
var SIZE_LARGE = 180;
var SIZE = SIZE_SMALL;

function Search(am, w, h) {
    this.init(am, w, h);

}

Search.prototype = new Algorithm();
Search.prototype.constructor = Search;
Search.superclass = Algorithm.prototype;


Search.LINEAR_CODE = [["def ", "linearSearch(listData, value)"],
    ["    index = 0"],
    ["    while (", "index < len(listData)", " and ", "listData[index] < value", "):"],
    ["        index++;"],
    ["    if (", "index >= len(listData", " or ", "listData[index] != value", "):"],
    ["        return -1"],
    ["    return index"]];
Search.BINARY_CODE = [["def ", "binarySearch(listData, value)"],
    ["    low = 0"],
    ["    high = len(listData) - 1"],
    ["    while (", "low <= high", ")"],
    ["        mid = (low + high) / 2"],
    ["        if (", "listData[mid] == value", "):"],
    ["            return mid"],
    ["        elif (", "listData[mid] < value", ")"],
    ["            low = mid + 1"],
    ["        else:"],
    ["            high = mid - 1"],
    ["    return -1"]]


Search.prototype.init = function (am, w, h) {
    Search.superclass.init.call(this, am, w, h);
    this.addControls();
    this.nextIndex = 0;
    this.commands = [];
    this.setup();
    this.initialIndex = this.nextIndex;
}


Search.prototype.addControls = function () {
    this.controls = [];
    this.searchField = addControlToAlgorithmBar("Text", "");
    this.searchField.onkeydown = this.returnSubmit(this.searchField, null, 6, true);
    this.linearSearchButton = addControlToAlgorithmBar("Button", "Linear Search");
    this.linearSearchButton.onclick = this.linearSearchCallback.bind(this);
    this.controls.push(this.searchField);
    this.controls.push(this.linearSearchButton);


    this.binarySearchButton = addControlToAlgorithmBar("Button", "Binary Search");
    this.binarySearchButton.onclick = this.binarySearchCallback.bind(this);
    this.controls.push(this.binarySearchButton);


    var radioButtonList = addRadioButtonGroupToAlgorithmBar(["Small", "Large"], "List Size");
    this.smallListButton = radioButtonList[0];
    this.smallListButton.onclick = this.smallListCallback.bind(this);
    this.largeListButton = radioButtonList[1];
    this.largeListButton.onclick = this.largeListCallback.bind(this);
    this.smallListButton.checked = true;

}


Search.prototype.smallListCallback = function (event) {
    if (this.size != SMALL_SIZE) {
        this.animationManager.resetAll();
        this.setup_small();
    }
}


Search.prototype.largeListCallback = function (event) {
    if (this.size != LARGE_SIZE) {
        this.animationManager.resetAll();
        this.setup_large();
    }
}


Search.prototype.enableUI = function (event) {
    for (var i = 0; i < this.controls.length; i++) {
        this.controls[i].disabled = false;
    }


}
Search.prototype.disableUI = function (event) {
    for (var i = 0; i < this.controls.length; i++) {
        this.controls[i].disabled = true;
    }
}


Search.prototype.getIndexX = function (index) {
    var xpos = (index % ARRAY_ELEMS_PER_LINE) * ARRAY_ELEM_WIDTH + ARRAY_START_X;
    return xpos;
}


Search.prototype.getIndexY = function (index) {
    if (index == -1) {
        index = 0;
    }
    var ypos = Math.floor(index / ARRAY_ELEMS_PER_LINE) * ARRAY_LINE_SPACING + ARRAY_START_Y + ARRAY_ELEM_HEIGHT;
    return ypos;
}

Search.prototype.setup = function () {
    this.nextIndex = 0;

    this.values = new Array(SIZE);
    this.arrayData = new Array(SIZE);
    this.arrayID = new Array(SIZE);
    this.arrayLabelID = new Array(SIZE);
    for (var i = 0; i < SIZE; i++) {
        this.arrayData[i] = Math.floor(1 + Math.random() * 999);
        this.arrayID[i] = this.nextIndex++;
        this.arrayLabelID[i] = this.nextIndex++;
    }

    for (var i = 1; i < SIZE; i++) {
        var nxt = this.arrayData[i];
        var j = i
        while (j > 0 && this.arrayData[j - 1] > nxt) {
            this.arrayData[j] = this.arrayData[j - 1];
            j = j - 1;
        }
        this.arrayData[j] = nxt;
    }

    this.leftoverLabelID = this.nextIndex++;
    this.commands = new Array();


    for (var i = 0; i < SIZE; i++) {
        var xLabelpos = this.getIndexX(i);
        var yLabelpos = this.getIndexY(i);
        this.cmd("CreateRectangle", this.arrayID[i], this.arrayData[i], ARRAY_ELEM_WIDTH, ARRAY_ELEM_HEIGHT, xLabelpos, yLabelpos - ARRAY_ELEM_HEIGHT);
        this.cmd("CreateLabel", this.arrayLabelID[i], i, xLabelpos, yLabelpos);
        this.cmd("SetForegroundColor", this.arrayLabelID[i], "#0000FF");

    }

    this.movingLabelID = this.nextIndex++;
    this.cmd("CreateLabel", this.movingLabelID, "", 0, 0);

    //	this.cmd("CreateLabel", this.leftoverLabelID, "", PUSH_LABEL_X, PUSH_LABEL_Y);


    this.searchForBoxID = this.nextIndex++;
    this.searchForBoxLabel = this.nextIndex++;
    this.cmd("CreateRectangle", this.searchForBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, SEARCH_FOR_X, SEARCH_FOR_Y);
    this.cmd("CreateLabel", this.searchForBoxLabel, "Seaching For  ", SEARCH_FOR_X, SEARCH_FOR_Y);
    this.cmd("AlignLeft", this.searchForBoxLabel, this.searchForBoxID);

    this.resultBoxID = this.nextIndex++;
    this.resultBoxLabel = this.nextIndex++;
    this.resultString = this.nextIndex++;
    this.cmd("CreateRectangle", this.resultBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, RESULT_X, RESULT_Y);
    this.cmd("CreateLabel", this.resultBoxLabel, "Result  ", RESULT_X, RESULT_Y);
    this.cmd("CreateLabel", this.resultString, "", RESULT_X, RESULT_Y);
    this.cmd("AlignLeft", this.resultBoxLabel, this.resultBoxID);
    this.cmd("AlignRight", this.resultString, this.resultBoxID);
    this.cmd("SetTextColor", this.resultString, "#FF0000");


    this.indexBoxID = this.nextIndex++;
    this.indexBoxLabel = this.nextIndex++;
    this.cmd("CreateRectangle", this.indexBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, INDEX_X, INDEX_Y);
    this.cmd("CreateLabel", this.indexBoxLabel, "index  ", INDEX_X, INDEX_Y);
    this.cmd("AlignLeft", this.indexBoxLabel, this.indexBoxID);


    this.midBoxID = this.nextIndex++;
    this.midBoxLabel = this.nextIndex++;
    this.cmd("CreateRectangle", this.midBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, MID_POS_X, MID_POS_Y);
    this.cmd("CreateLabel", this.midBoxLabel, "mid  ", MID_POS_X, MID_POS_Y);
    this.cmd("AlignLeft", this.midBoxLabel, this.midBoxID);
    this.cmd("SetForegroundColor", this.midBoxID, MID_CIRCLE_COLOR);
    this.cmd("SetTextColor", this.midBoxID, MID_CIRCLE_COLOR);
    this.cmd("SetBackgroundColor", this.midBoxID, MID_BACKGROUND_COLOR);

    this.midCircleID = this.nextIndex++;
    this.cmd("CreateHighlightCircle", this.midCircleID, MID_CIRCLE_COLOR, 0, 0, HIGHLIGHT_CIRCLE_SIZE);


    this.lowBoxID = this.nextIndex++;
    this.lowBoxLabel = this.nextIndex++;
    this.cmd("CreateRectangle", this.lowBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, LOW_POS_X, LOW_POS_Y);
    this.cmd("CreateLabel", this.lowBoxLabel, "low  ", LOW_POS_X, LOW_POS_Y);
    this.cmd("AlignLeft", this.lowBoxLabel, this.lowBoxID);
    this.cmd("SetForegroundColor", this.lowBoxID, LOW_CIRCLE_COLOR);
    this.cmd("SetTextColor", this.lowBoxID, LOW_CIRCLE_COLOR);
    this.cmd("SetBackgroundColor", this.lowBoxID, LOW_BACKGROUND_COLOR);

    this.lowCircleID = this.nextIndex++;
    this.cmd("CreateHighlightCircle", this.lowCircleID, LOW_CIRCLE_COLOR, 0, 0, HIGHLIGHT_CIRCLE_SIZE);


    this.highBoxID = this.nextIndex++;
    this.highBoxLabel = this.nextIndex++;
    this.cmd("CreateRectangle", this.highBoxID, "", EXTRA_FIELD_WIDTH, EXTRA_FIELD_HEIGHT, HIGH_POS_X, HIGH_POS_Y);
    this.cmd("CreateLabel", this.highBoxLabel, "high  ", HIGH_POS_X, HIGH_POS_Y);
    this.cmd("AlignLeft", this.highBoxLabel, this.highBoxID);
    this.cmd("SetForegroundColor", this.highBoxID, HIGH_CIRCLE_COLOR);
    this.cmd("SetTextColor", this.highBoxID, HIGH_CIRCLE_COLOR);
    this.cmd("SetBackgroundColor", this.highBoxID, HIGH_BACKGROUND_COLOR);


    this.highCircleID = this.nextIndex++;
    this.cmd("CreateHighlightCircle", this.highCircleID, HIGH_CIRCLE_COLOR, 0, 0, HIGHLIGHT_CIRCLE_SIZE);


    this.cmd("SetALpha", this.lowBoxID, 0);
    this.cmd("SetALpha", this.lowBoxLabel, 0);
    this.cmd("SetALpha", this.midBoxID, 0);
    this.cmd("SetALpha", this.midBoxLabel, 0);
    this.cmd("SetALpha", this.highBoxID, 0);
    this.cmd("SetALpha", this.highBoxLabel, 0);

    this.cmd("SetALpha", this.midCircleID, 0);
    this.cmd("SetALpha", this.lowCircleID, 0);
    this.cmd("SetALpha", this.highCircleID, 0);

    this.cmd("SetALpha", this.indexBoxID, 0);
    this.cmd("SetALpha", this.indexBoxLabel, 0);

    this.highlight1ID = this.nextIndex++;
    this.highlight2ID = this.nextIndex++;

    this.binaryCodeID = this.addCodeToCanvasBase(Search.BINARY_CODE, Search.CODE_START_X, Search.CODE_START_Y, Search.CODE_LINE_HEIGHT, Search.CODE_STANDARD_COLOR);

    this.linearCodeID = this.addCodeToCanvasBase(Search.LINEAR_CODE, Search.CODE_START_X, Search.CODE_START_Y, Search.CODE_LINE_HEIGHT, Search.CODE_STANDARD_COLOR);

    this.setCodeAlpha(this.binaryCodeID, 0);
    this.setCodeAlpha(this.linearCodeID, 0);

    this.animationManager.StartNewAnimation(this.commands);
    this.animationManager.skipForward();
    this.animationManager.clearHistory();
}

Search.prototype.setup_small = function () {

    HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_SMALL;
    ARRAY_START_X = ARRAY_START_X_SMALL;
    ARRAY_START_Y = ARRAY_START_Y_SMALL;
    ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_SMALL;
    ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_SMALL;
    ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_SMALL;
    ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_SMALL;
    SIZE = SIZE_SMALL;
    this.size = SMALL_SIZE;
    this.setup();

}


Search.prototype.setup_large = function () {

    HIGHLIGHT_CIRCLE_SIZE = HIGHLIGHT_CIRCLE_SIZE_LARGE;
    ARRAY_START_X = ARRAY_START_X_LARGE;
    ARRAY_START_Y = ARRAY_START_Y_LARGE;
    ARRAY_ELEM_WIDTH = ARRAY_ELEM_WIDTH_LARGE;
    ARRAY_ELEM_HEIGHT = ARRAY_ELEM_HEIGHT_LARGE;
    ARRAY_ELEMS_PER_LINE = ARRAY_ELEMS_PER_LINE_LARGE;
    ARRAY_LINE_SPACING = ARRAY_LINE_SPACING_LARGE;
    SIZE = SIZE_LARGE;
    this.size = LARGE_SIZE;
    this.setup()

}


Search.prototype.linearSearchCallback = function (event) {
    var searchVal = this.searchField.value;
    this.implementAction(this.linearSearch.bind(this), searchVal);
}


Search.prototype.binarySearchCallback = function (event) {

    var searchVal = this.searchField.value;
    this.implementAction(this.binarySearch.bind(this), searchVal);

}


Search.prototype.binarySearch = function (searchVal) {
    this.commands = new Array();
    this.setCodeAlpha(this.binaryCodeID, 1);
    this.setCodeAlpha(this.linearCodeID, 0);

    this.cmd("SetALpha", this.lowBoxID, 1);
    this.cmd("SetALpha", this.lowBoxLabel, 1);
    this.cmd("SetALpha", this.midBoxID, 1);
    this.cmd("SetALpha", this.midBoxLabel, 1);
    this.cmd("SetALpha", this.highBoxID, 1);
    this.cmd("SetALpha", this.highBoxLabel, 1);

    this.cmd("SetAlpha", this.lowCircleID, 1);
    this.cmd("SetAlpha", this.midCircleID, 1);
    this.cmd("SetAlpha", this.highCircleID, 1);
    this.cmd("SetPosition", this.lowCircleID, LOW_POS_X, LOW_POS_Y);
    this.cmd("SetPosition", this.midCircleID, MID_POS_X, MID_POS_Y);
    this.cmd("SetPosition", this.highCircleID, HIGH_POS_X, HIGH_POS_Y);
    this.cmd("SetAlpha", this.indexBoxID, 0);
    this.cmd("SetAlpha", this.indexBoxLabel, 0);

    this.cmd("SetText", this.resultString, "");
    this.cmd("SetText", this.resultBoxID, "");
    this.cmd("SetText", this.movingLabelID, "");


    var low = 0;
    var high = SIZE - 1;
    this.cmd("Move", this.lowCircleID, this.getIndexX(0), this.getIndexY(0));
    this.cmd("SetText", this.searchForBoxID, searchVal);
    this.cmd("SetForegroundColor", this.binaryCodeID[1][0], Search.CODE_HIGHLIGHT_COLOR);
    this.cmd("SetHighlight", this.lowBoxID, 1)
    this.cmd("SetText", this.lowBoxID, 0)
    this.cmd("step");
    this.cmd("SetForegroundColor", this.binaryCodeID[1][0], Search.CODE_STANDARD_COLOR);
    this.cmd("SetHighlight", this.lowBoxID, 0)
    this.cmd("SetForegroundColor", this.binaryCodeID[2][0], Search.CODE_HIGHLIGHT_COLOR);
    this.cmd("SetHighlight", this.highBoxID, 1)
    this.cmd("SetText", this.highBoxID, SIZE - 1)
    this.cmd("Move", this.highCircleID, this.getIndexX(SIZE - 1), this.getIndexY(SIZE - 1));
    this.cmd("step");
    this.cmd("SetForegroundColor", this.binaryCodeID[2][0], Search.CODE_STANDARD_COLOR);
    this.cmd("SetHighlight", this.highBoxID, 0)
    var keepGoing = true;

    while (keepGoing) {
        this.cmd("SetHighlight", this.highBoxID, 1)
        this.cmd("SetHighlight", this.lowBoxID, 1)
        this.cmd("SetForegroundColor", this.binaryCodeID[3][1], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("step");
        this.cmd("SetHighlight", this.highBoxID, 0)
        this.cmd("SetHighlight", this.lowBoxID, 0)
        this.cmd("SetForegroundColor", this.binaryCodeID[3][1], Search.CODE_STANDARD_COLOR);
        if (low > high) {
            keepGoing = false;
        } else {
            var mid = Math.floor((high + low) / 2);
            this.cmd("SetForegroundColor", this.binaryCodeID[4][0], Search.CODE_HIGHLIGHT_COLOR);
            this.cmd("SetHighlight", this.highBoxID, 1)
            this.cmd("SetHighlight", this.lowBoxID, 1)
            this.cmd("SetHighlight", this.midBoxID, 1)
            this.cmd("SetText", this.midBoxID, mid)
            this.cmd("Move", this.midCircleID, this.getIndexX(mid), this.getIndexY(mid));

            this.cmd("step");
            this.cmd("SetForegroundColor", this.binaryCodeID[4][0], Search.CODE_STANDARD_COLOR);
            this.cmd("SetHighlight", this.midBoxID, 0)
            this.cmd("SetHighlight", this.highBoxID, 0)
            this.cmd("SetHighlight", this.lowBoxID, 0)
            this.cmd("SetHighlight", this.searchForBoxID, 1)
            this.cmd("SetHighlight", this.arrayID[mid], 1);
            this.cmd("SetForegroundColor", this.binaryCodeID[5][1], Search.CODE_HIGHLIGHT_COLOR);
            this.cmd("step");
            this.cmd("SetHighlight", this.searchForBoxID, 0)
            this.cmd("SetHighlight", this.arrayID[mid], 0);
            this.cmd("SetForegroundColor", this.binaryCodeID[5][1], Search.CODE_STANDARD_COLOR);
            if (this.arrayData[mid] == searchVal) {
// HIGHLIGHT CODE!
                keepGoing = false;

            } else {

                this.cmd("SetForegroundColor", this.binaryCodeID[7][1], Search.CODE_HIGHLIGHT_COLOR);
                this.cmd("SetHighlight", this.searchForBoxID, 1)
                this.cmd("SetHighlight", this.arrayID[mid], 1);
                this.cmd("step")
                this.cmd("SetForegroundColor", this.binaryCodeID[7][1], Search.CODE_STANDARD_COLOR);
                this.cmd("SetHighlight", this.searchForBoxID, 0)
                this.cmd("SetHighlight", this.arrayID[mid], 0);
                if (this.arrayData[mid] < searchVal) {
                    this.cmd("SetForegroundColor", this.binaryCodeID[8][0], Search.CODE_HIGHLIGHT_COLOR);
                    this.cmd("SetHighlight", this.lowID, 1);
                    this.cmd("SetText", this.lowBoxID, mid + 1);
                    this.cmd("Move", this.lowCircleID, this.getIndexX(mid + 1), this.getIndexY(mid + 1));

                    low = mid + 1;
                    for (var i = 0; i < low; i++) {
                        this.cmd("SetAlpha", this.arrayID[i], 0.2);
                    }
                    this.cmd("Step");
                    this.cmd("SetForegroundColor", this.binaryCodeID[8][0], Search.CODE_STANDARD_COLOR);
                    this.cmd("SetHighlight", this.lowBoxID, 0);
                } else {
                    this.cmd("SetForegroundColor", this.binaryCodeID[10][0], Search.CODE_HIGHLIGHT_COLOR);
                    this.cmd("SetHighlight", this.highBoxID, 1);
                    high = mid - 1;
                    this.cmd("SetText", this.highBoxID, high);
                    this.cmd("Move", this.highCircleID, this.getIndexX(high), this.getIndexY(high));

                    for (var i = high + 1; i < SIZE; i++) {
                        this.cmd("SetAlpha", this.arrayID[i], 0.2);
                    }
                    this.cmd("Step");

                    this.cmd("SetForegroundColor", this.binaryCodeID[10][0], Search.CODE_STANDARD_COLOR);
                    this.cmd("SetHighlight", this.midBoxID, 0);


                }
            }

        }

    }
    if (high < low) {
        this.cmd("SetText", this.resultString, "   Element Not found");
        this.cmd("SetText", this.resultBoxID, -1);
        this.cmd("AlignRight", this.resultString, this.resultBoxID);
        this.cmd("SetForegroundColor", this.binaryCodeID[11][0], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("Step")
        this.cmd("SetForegroundColor", this.binaryCodeID[11][0], Search.CODE_STANDARD_COLOR);

    } else {
        this.cmd("SetText", this.resultString, "   Element found");
        this.cmd("SetText", this.movingLabelID, mid);
        this.cmd("SetPosition", this.movingLabelID, this.getIndexX(mid), this.getIndexY(mid));

        this.cmd("Move", this.movingLabelID, RESULT_X, RESULT_Y);

        this.cmd("AlignRight", this.resultString, this.resultBoxID);
        this.cmd("SetForegroundColor", this.binaryCodeID[6][0], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("Step")
        this.cmd("SetForegroundColor", this.binaryCodeID[6][0], Search.CODE_STANDARD_COLOR);

    }

    for (var i = 0; i < SIZE; i++) {
        this.cmd("SetAlpha", this.arrayID[i], 1);
    }
    return this.commands;


}


Search.prototype.linearSearch = function (searchVal) {
    this.commands = new Array();
    this.setCodeAlpha(this.binaryCodeID, 0);
    this.setCodeAlpha(this.linearCodeID, 1);

    this.cmd("SetALpha", this.lowBoxID, 0);
    this.cmd("SetALpha", this.lowBoxLabel, 0);
    this.cmd("SetALpha", this.midBoxID, 0);
    this.cmd("SetALpha", this.midBoxLabel, 0);
    this.cmd("SetALpha", this.highBoxID, 0);
    this.cmd("SetALpha", this.highBoxLabel, 0);


    this.cmd("SetAlpha", this.lowCircleID, 1);
    this.cmd("SetAlpha", this.midCircleID, 0);
    this.cmd("SetAlpha", this.highCircleID, 0);

    this.cmd("SetPosition", this.lowCircleID, INDEX_X, INDEX_Y);

    this.cmd("SetALpha", this.indexBoxID, 1);
    this.cmd("SetALpha", this.indexBoxLabel, 1);

    this.cmd("SetText", this.resultString, "");
    this.cmd("SetText", this.resultBoxID, "");
    this.cmd("SetText", this.movingLabelID, "");


    var goOn = true;
    var nextSearch = 0;
    this.cmd("SetText", this.searchForBoxID, searchVal);
    this.cmd("SetForegroundColor", this.linearCodeID[1][0], Search.CODE_HIGHLIGHT_COLOR);
    this.cmd("SetHighlight", this.indexBoxID, 1);
    this.cmd("SetText", this.indexBoxID, "0");
    this.cmd("Move", this.lowCircleID, this.getIndexX(0), this.getIndexY(0));

    this.cmd("Step");
    this.cmd("SetForegroundColor", this.linearCodeID[1][0], Search.CODE_STANDARD_COLOR);
    this.cmd("SetHighlight", this.indexBoxID, 0);


    var foundIndex = 0
    while (goOn) {
        if (foundIndex == SIZE) {
            this.cmd("SetForegroundColor", this.linearCodeID[2][1], Search.CODE_HIGHLIGHT_COLOR);
            this.cmd("Step");
            this.cmd("SetForegroundColor", this.linearCodeID[2][1], Search.CODE_STANDARD_COLOR);
            goOn = false;

        } else {
            this.cmd("SetHighlight", this.arrayID[foundIndex], 1);
            this.cmd("SetHighlight", this.searchForBoxID, 1);
            this.cmd("SetForegroundColor", this.linearCodeID[2][3], Search.CODE_HIGHLIGHT_COLOR);
            this.cmd("Step")
            this.cmd("SetForegroundColor", this.linearCodeID[2][3], Search.CODE_STANDARD_COLOR);
            this.cmd("SetHighlight", this.arrayID[foundIndex], 0);
            this.cmd("SetHighlight", this.searchForBoxID, 0);
            goOn = this.arrayData[foundIndex] < searchVal
            if (goOn) {
                foundIndex++;

                this.cmd("SetForegroundColor", this.linearCodeID[3][0], Search.CODE_HIGHLIGHT_COLOR);
                this.cmd("SetHighlight", this.indexBoxID, 1);
                this.cmd("SetText", this.indexBoxID, foundIndex);
                this.cmd("Move", this.lowCircleID, this.getIndexX(foundIndex), this.getIndexY(foundIndex));

                this.cmd("Step");
                this.cmd("SetForegroundColor", this.linearCodeID[3][0], Search.CODE_STANDARD_COLOR);
                this.cmd("SetHighlight", this.indexBoxID, 0);
            }
        }
    }
    if (foundIndex == SIZE) {
        this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("Step");
        this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_STANDARD_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("Step");
        this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_STANDARD_COLOR);


    } else if (this.arrayData[foundIndex] == searchVal) {
        this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[4][2], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("SetHighlight", this.arrayID[foundIndex], 1);
        this.cmd("SetHighlight", this.searchForBoxID, 1);
        this.cmd("Step");

        this.cmd("SetHighlight", this.arrayID[foundIndex], 0);
        this.cmd("SetHighlight", this.searchForBoxID, 0);


        this.cmd("SetForegroundColor", this.linearCodeID[4][1], Search.CODE_STANDARD_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[4][2], Search.CODE_STANDARD_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_STANDARD_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[6][0], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("SetText", this.resultString, "   Element found");
        this.cmd("SetText", this.movingLabelID, foundIndex);
        this.cmd("SetPosition", this.movingLabelID, this.getIndexX(foundIndex), this.getIndexY(foundIndex));

        this.cmd("Move", this.movingLabelID, RESULT_X, RESULT_Y);

        this.cmd("AlignRight", this.resultString, this.resultBoxID);
        this.cmd("Step");
        this.cmd("SetForegroundColor", this.linearCodeID[6][0], Search.CODE_STANDARD_COLOR);


    } else {
        this.cmd("SetHighlight", this.arrayID[foundIndex], 1);
        this.cmd("SetHighlight", this.searchForBoxID, 1);
        this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("Step");
        this.cmd("SetHighlight", this.arrayID[foundIndex], 0);
        this.cmd("SetHighlight", this.searchForBoxID, 0);
        this.cmd("SetForegroundColor", this.linearCodeID[4][3], Search.CODE_STANDARD_COLOR);
        this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_HIGHLIGHT_COLOR);
        this.cmd("SetText", this.resultString, "   Element Not found");
        this.cmd("SetText", this.resultBoxID, -1);
        this.cmd("AlignRight", this.resultString, this.resultBoxID);

        this.cmd("Step");
        this.cmd("SetForegroundColor", this.linearCodeID[5][0], Search.CODE_STANDARD_COLOR);


    }
    return this.commands;


}


var currentAlg;

function init() {
    var animManag = initCanvas();
    currentAlg = new Search(animManag, canvas.width, canvas.height);
}
